# lifelong

/ˈɫaɪˈfɫɔŋ/ (US) · /lˈaɪflɒŋ/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/lifelong
Updated: 2026-05-02

## Definition

lasting for your whole life. You use this to describe a habit, a feeling, or a relationship that never ends.

For teachers: lasting or continuing through the entire duration of an individual's life. Often used to modify nouns representing personal commitments, interests, or relationships.

## Examples

- She has a lifelong passion for classical music.
- The two scientists maintained a lifelong friendship after meeting during their first year of university.
- The university's mission statement emphasizes the importance of fostering a lifelong commitment to learning that extends far beyond the completion of a formal degree.

## Usage notes

- Typically used as an attributive adjective, appearing before the noun it modifies.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.